On the Two Principal Forms of Ancient British and Gaulish Skulls. With Tables of Measurements. From the Memoirs of the Anthropological Society of London, vol. I. London, Williams and Norgate, 1865.

Pre-historic Remains of Caithness. With Notes on the Human Remains by Thomas Henry Huxley. [London], Williams and Norgate, 1866.

Pre-historic Times, as Illustrated by Ancient Remains, and the Manners and Customs of Modern Savages. London, Williams and Norgate, 1865.

Pre-historic Times, as Illustrated by Ancient Remains, and the Manners and Customs of Modern Savages. Third edition. London, Williams and Norgate, 1872.